/* 基础样式 */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f4f4f9;
    color: #333;
}

/* 头部样式 */
header {
    background: linear-gradient(135deg, #31A0E0, #5883E0);
    color: #fff;
    padding: 12px 0;
    text-align: center;
    position: relative;
}

header .logo {
    width: 64px;
    border-radius: 18px;
    height: auto;
    margin-top: 24px;
    margin-bottom: 16px;
}

header h1 {
    font-size: 2.5rem;
    margin: 0;
}

/* 主要内容样式 */
main {
    padding: 40px 0;
}

section {
    background: #fff;
    margin-bottom: 20px;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

section p {
    font-size: 1.1rem;
    color: #555;
}

/* 按钮样式 */
.btn-custom {
    background-color: #397FE1;
    color: #ffffff;
}

/* 下载按钮样式 */
.download-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    padding: 10px 20px;
    height: 48px;
    white-space: nowrap;
}

.download-btn img {
    margin-right: 8px;
}

.download-btn span {
    line-height: 1;
}

/* 页脚样式 */
footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 20px 0;
    margin-top: 40px;
}

footer p {
    margin: 0;
    font-size: 0.9rem;
}

.downloadlogo {
    width: 24px;
    height: 24px;
}

/* 修改FAQ按钮样式 */
.faq-btn {
    padding: 8px 16px;
    font-size: 14px;
    margin: 6px;
    background-color: rgba(255, 255, 255, 0.2) !important;
    border: 1px solid rgba(255, 255, 255, 0.4);
    color: white !important;
    transition: all 0.3s ease;
}

.faq-btn:hover {
    background-color: rgba(255, 255, 255, 0.3) !important;
    transform: translateY(-1px);
}